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/**************************************************************/
/*  tpax: a topological pax implementation                    */
/*  Copyright (C) 2020--2024  SysDeer Technologies, LLC       */
/*  Released under GPLv2 and GPLv3; see COPYING.TPAX.         */
/**************************************************************/

#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/stat.h>

#include <tpax/tpax.h>
#include "tpax_driver_impl.h"

#define TPAX_STAT_COMPARE(member)                    \
	if (src -> member - dst -> member)            \
		return (src -> member > dst -> member) \
			? (1) : (-1)

int tpax_util_stat_compare(
	const struct stat * src,
	const struct stat * dst)
{
	TPAX_STAT_COMPARE(st_dev);
	TPAX_STAT_COMPARE(st_ino);

	TPAX_STAT_COMPARE(st_mode);
	TPAX_STAT_COMPARE(st_uid);
	TPAX_STAT_COMPARE(st_gid);

	TPAX_STAT_COMPARE(st_rdev);
	TPAX_STAT_COMPARE(st_size);
	TPAX_STAT_COMPARE(st_blksize);
	TPAX_STAT_COMPARE(st_blocks);

	TPAX_STAT_COMPARE(st_mtim.tv_sec);
	TPAX_STAT_COMPARE(st_mtim.tv_nsec);

	return 0;
}